Dog halter



FIG. 1 is a front perspective view of a dog halter embodying my new design;

FIG. 2 is a side elevation view thereof; and,

FIG. 3 is a top plan view thereof.

The broken line showing of a dog in FIG. 1 is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a dog halter, as shown and described. 